Home / 193,418.86-266,911.05-107,381.56

Finding the Fourth Proportional to 193,418.86, 266,911.05 and 107,381.56

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Solution

The fourth proportional to 193,418.86, 266,911.05 and 107,381.56 is: 148,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,418.86 : 266,911.05 = 107,381.56 : x
  2. Step 2: Convert to fraction form
    193,418.86/266,911.05 = 107,381.56/x
  3. Step 3: Cross multiply
    193,418.86x = 266,911.05 × 107,381.56
  4. Step 4: Simplify right side
    193,418.86x = 28,661,324,930.24
  5. Step 5: Solve for x
    x = 28,661,324,930.24/193,418.86
  6. Step 6: Final answer
    x = 148,182.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.